filltable.c

这是一个c程序

/*FileName:FillTable.c*/
/*Write by Yata*/
/*2005.11.20*/

 #include<stdio.h>

 #define TRUE 1
 #define FALSE 0
 #define length 8          /*The length of array!*/

 typedef struct
 {
  int code;                /*The code of the word!*/
  char content[length];    /*The content of the word!*/
 }myword;

 myword symbol[100];
 int j;
 int noerror;              /*Is anything wrong?*/
 int count=0;              /*The number of different kinds of words!*/
 int allinput=0;           /*Record the number of words has inputed!*/

 int found(char tofind[])
 {
  int i;
  int result=FALSE;
  allinput=allinput+1;
  for(i=0;i<count;i++)
   if(strcmp(symbol[i].content,tofind)==0)
    result=TRUE;
  return result;
 }

 void yata_puti(int i,FILE *fp)      /*Input a integer into file!*/
 {
  char a,b;
  a=i/10;
  b=i%10;
  if(a!=0)
   fputc(a+48,fp);
  fputc(b+48,fp);
 }

 void yata_fputs(char s[],FILE *fp)    /*把s字符串输入到fp文件上*/
 {
  int i;
  for(i=0;i<length;i++)
  {
   if(s[i]==0)
    fputc(' ',fp);
   else
    fputc(s[i],fp);
  }
 }

 void fillintotable(FILE *fi,FILE *fo)
 {
  char ch;
  char tempword[length];
  int i=0;
  int m,over_while;
  noerror=TRUE;
  over_while=FALSE;
  strcpy(tempword,"");
  ch=fgetc(fi);
  while(ch!=EOF)
  {
   if((ch>='A'&&ch<='Z')||(ch>='a'&&ch<='z'))
   {
    if(i>=8)
    {
     fputs("Error:Over length error!\n",fo);
     noerror=FALSE;
     break;
    }
    else
    {
     tempword[i]=ch;
     i=i+1;
    }
   }
   else if(ch>='0'&&ch<='9')
   {
    if(i>=8)
    {
     fputs("Error:Over length error!\n",fo);
     noerror=FALSE;
     break;
    }
    if(i==0)
    {
     fputs("Error:Digit first error!\n",fo);
     noerror=FALSE;
     break;
    }
    else
    {
     tempword[i]=ch;
     i=i+1;
    }
   }
   else
   {
    switch(ch)
    {
     case ',':if(!found(tempword))
              {
               for(m=i;m<length;m++)
                tempword[i]=0;
               strcpy(symbol[count].content,tempword);
               symbol[count].code=1+count;
               count=count+1;
              }
              strcpy(tempword,"");
              i=0;
              break;
     case ';':ch=fgetc(fi);
              if(ch!=EOF)
              {
               fputs("Error:There are more than 2 ';'!\n",fo);
               noerror=FALSE;
               over_while=TRUE;
               }
               else if(!found(tempword))
              {
               for(m=i;m<length;m++)
                tempword[i]=0;
               strcpy(symbol[count].content,tempword);
               symbol[count].code=1+count;
               count=count+1;
              }
              break;
     default:
               {
               noerror=FALSE;
               over_while=TRUE;
               fputs("Error:Illegal input symbol!\n",fo);
               }
    }
    if(over_while==TRUE)
     break;
   }
   ch=fgetc(fi);
  }
 }

 void printid(FILE *fo)
 {
  int i;
  fputs("There are ",fo);
  yata_puti(allinput,fo);
  fputs(" symbols inputed,and there are ",fo);
  yata_puti(count,fo);
  fputs(" different symbols!\n",fo);
  fputs("The different symbols and according codes are as follow:\n",fo);
  for(i=0;i<count;i++)
  {
   yata_puti(symbol[i].code,fo);
   fputs("      ",fo);
   yata_fputs(symbol[i].content,fo);
   fputc('\n',fo);
  }
 }

 void main()
 {
  FILE *fo;
  FILE *fi;
  fi=fopen("F:\\C\\read.txt","r");
  fo=fopen("F:\\C\\write.txt","w");
  fillintotable(fi,fo);
  fclose(fi);
  if(noerror==TRUE)
   printid(fo);
  fclose(fo);
 }